Target System with VMware

I am trying to setup a target machine to get practice using backtrack 4 r1.
The target machine will use DE-Ice and PwnOS maybe others.
The question is that if DE-Ice is ran on the same machine as backtrack through VMware will I lose functionality?

I mean they will both be inside the same LAN which means I wont get practice getting into the network.

Any ideas to solve this issue?
I also have a older 1.4Ghz with 512 ram sitting in a corner .. but even using that I would be inside the same LAN behind the same router. (idk if this helps).

thanks,

Ty

Quote:

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The question is that if DE-Ice is ran on the same machine as backtrack through VMware will I lose functionality?

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Your not really going to lose functionality by doing this. It's better performance wise if you can use two machines one attacker, one victim. However this is not a hard requirement.

You can always create an environment for that in your virtualbox to test you "getting into the network" skills.